（1）按種子的(de)經(jing)(jing)濟(ji)用(yong)途分(fen)為： 食用(yong)型、油用(yong)型、中間型（生(sheng)育性(xing)狀和(he)經(jing)(jing)濟(ji)性(xing)狀介于食用(yong)型和(he)油用(yong)型之間）。

    （2）按生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)分為(wei)極早熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)在85天(tian)以內）、早熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)86一100天(tian)）、中(zhong)早熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)101—105天(tian)）、中(zhong)熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)106一l15天(tian)）、中(zhong)晚熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)116一125天(tian)）和(he)晚熟(shu)種(zhong)(zhong)（生(sheng)(sheng)(sheng)(sheng)育期(qi)(qi)為(wei)126天(tian)以上）。